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A proton with charge 1.602 x 10^-19 C moves at a speed of 300 m/s in...

A proton with charge 1.602 x 10^-19 C moves at a speed of 300 m/s in a magnetic field at an angle of 65 degrees. If the strength of the magnetic field is 19 T, what would be the magnitude of the force the charge experiences?

8.28 x 10^-16 N
13.78 x 10^-15 N
5.09 x 10^-14 N
7.75 x 10^-17 N

An alpha particle travelling at 2155 m/s enters a magnetic field of strength 12.2 T. The particle is moving horizontally and the magnetic field is vertical. If an alpha particle contains two protons, each with a charge of 1.602 x 10^-19 C and the particle has a mass of 6.64 x 10^-22 kg, what is the radius of the circular path the particle will travel in?

0.366 m
0.918 m
0.106 m
0.672 m

What is the cyclotron frequency of an electron entering a magnetic field of strength 0.0045 T? The charge of an electron is -1.602 x 10^-19 C and the mass of an electron is 9.31 x 10^-31 kg (1 point)

2.87 x 10^8 Hz
5.19 x 10^7 Hz
1.23 x 10^8 Hz
3.44 x 10^9 Hz
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